Be sure the roof surface is clean, free of dust, dirt, rust, oil, grease, and loose material. The roof surface must be dry.

This product will not adhere to wet or damp surfaces. Trapped moisture may vaporize and negatively affect the performance of this product.

Before starting please consult the “Precautions” section.

Due to solvent flash off, condensation may form on freshly applied primer when the ambient temperature is near the dew point. If condensation develops, possible surface contamination may occur and the application of primer must be discontinued. Allow the surface to dry and re-apply.

Extreme care must be exercised when working on ladders, roofs, or at elevations above ground. If used as an emergency repair to a roofing system, contact the roofing system manufacturer for compatibility and to ensure compliance with terms and limitations of the warranty.

Surface can be slippery when wet, damp, or frost covered.

Do not stretch the product during installation.

Do not expose product to temperatures in excess of 82° C (180°F).

Step 1

The fold should be cut back to leave a 75mm wide flap. Apply ClassicBond EPDM Primer to the front & back of the flap and to the membrane on the wall. ClassicBond Primer must be allowed to dry before application of PS tape.

Step 2

Cut an appropriate size piece of 225mm uncured flashing (min. 50mm wider than the flap of membrane), press the flap back to the upstand and install the uncured flashing tape.